Question

In: Physics

What would have a larger force on you when you were born: a doctor in the...

What would have a larger force on you when you were born: a doctor in the delivery room or the star Sirius. Show all calculations for full credit.

Solutions

Expert Solution

The average mass of a new born baby = 3.5 kg.

The average mass of an adult doctor = 70 kg

The mass of star Sirius = 4.02 x 1030 kg

Distance of star Sirius from the Earth = 8.15 x 1013 km

The distance of doctor from the new born baby = 1 m (say)

The gravitational force between two masses of masss 'm' and 'M', and separated by a distance 'r' is given by

                                                   

Where, G is gravitational constant and G = 6.67 x 10-11 Nm2/kg2 .

So, force applied by doctor on the newborn baby is

                                                

And, the force applied by the star Sirius on the newborn baby is

                                              

Hence, the star Sirius would apply more force on the new born baby.

For any doubt pleasecomment.

genius_generous answered 2 years ago
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